CVE-2026-43179
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EROFS Metadata Compression Folio Leak Fix

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: erofs: fix incorrect early exits for invalid metabox-enabled images Crafted EROFS images with metadata compression enabled can trigger incorrect early returns, leading to folio reference leaks. However, this does not cause system crashes or other severe issues.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-05-06
AI Q&A
2026-05-06
EPSS Evaluated
N/A
NVD
CVE-2026-43179
EUVD
EUVD-2026-27741
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux_kernel erofs *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability exists in the Linux kernel's EROFS (Enhanced Read-Only File System) implementation. Specifically, it involves incorrect early exits when handling EROFS images that have metadata compression enabled. Crafted EROFS images can trigger these incorrect early returns, which lead to folio reference leaks.

A folio reference leak means that certain memory references are not properly released, potentially causing resource management issues.


How can this vulnerability impact me? :

The vulnerability causes folio reference leaks when processing specially crafted EROFS images with metadata compression enabled.

However, it does not cause system crashes or other severe issues.


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